The Reference Manual of Woody Plant Propagation
Reference Manual of Woody Plant Propagation by Michael Dirr and Charles
Heuser, Jr., is an excellent reference for plant geeks to have on their
shelves. Yes, you can read between the lines there and figure
that if you're a dabbler, this book can easily go over your head, but
that's part of the fun and you'll likely grow into it.
"In several tests, 1000ppm IBA-5 second dip proved optimum. February, terminal bud removed, 50 ppm lanolin paste (control) rooted 50% with an average of 4 roots; 770 ppm IAA-lanolin paste rooted 100% with 23 roots per cutting in 28 days. March, untreated, rooted 80% with an average of 13 roots per cutting, 200 ppm IBA-24 hour soak rooted 100% with 61 roots per cutting. Girdling 30 days before taking cuttings increased rooting from 55 to 100% and hastened rooting to 28 days versus about 90 days. In a Brazilian study, 10" long cuttings rooted 97% and gave best shoot and root development. Summer firm wood should root as well but no literature was found. Hardwood cuttings were successful."
If you're not quite ready for rooting hormones and humidity chambers, The Weekend Homesteader starts with easy steps on the path to self-sufficiency.
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